Wierd ... but it works!

Funny thing this - the earbuds on my Ipod Shuffle suddenly failed for no apparent reason and started producing annoying buzzing sounds whenever loud volumes or beats were present. The fix -> blow on the earphone lightly!

Seems the membrane on these buds are so thin that at certain times the magnets within them might force them out of shape thus creating a break in the usual dome shape and make them vibrate at certain frequencies (i.e. a bzzzz sound). If you've blown too hard causing the membrane to invert you'll get the out-of-phase effect ... in this case suck ever so gently on the bud to restore the shape.

Wierd fix ... but it works and it saves me RM50 bucks for a replacement Apple pair.